package ooday01;

public class Student {
    //成员变量
    String name;
    int age;
    String className;
    String stuId;
   //构造方法
    Student(){

    }                                     //局部变量
    Student(String name,int age,String className,String stuId){
        this.name=name;
        this.age=age;
        this.className=className;
        this.stuId=stuId;
    }
    Student(String name,int age){
        this.name=name;
        this.age=age;
    }

    void stud(){
        System.out.println(this.name+"在学习");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+this.name+"，今年"+age+"岁了，" +
                "所在班级为"+this.className+"，学号为"+this.stuId);
    }
    void play(String playname){
        System.out.println(this.name+"在和"+playname+"一起玩");
    }
}

